Collection: Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
14.68
mm

(Equiv. 0.578 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Spring Rate
0.54
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 14.68x203.2x1.83 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1468-2032-18-M (100 Pcs)
Extension Springs - 14.68x203.2x1.83 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $1,757.59 AUD
Regular price $2,109.11 AUD Sale price $1,757.59 AUD
Per 100
Quantity Required

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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
14.68
mm

(Equiv. 0.578 in.)
Overall Length (L0)
203.2
mm

(Equiv. 8 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Extension Springs - 14.68x203.2x1.83 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.54 N/mm    Initial Tension (IT): 0.5 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1468-2032-18-M (100 Pcs)
Extension Springs - 14.68x203.2x1.83 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $1,757.59 AUD
Regular price $2,109.11 AUD Sale price $1,757.59 AUD
Per 100
Quantity Required

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OD (D0)
14.68
mm

(Equiv. 0.578 in.)
Overall Length (L0)
792.2
mm

(Equiv. 31.189 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Spring Rate
1.30
N/mm
Initial Tension (IT)
1.3
N
Extension Springs - 14.68x792.2x1.83 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1468-7922-18-M
Extension Springs - 14.68x792.2x1.83 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $10.50 AUD
Regular price $12.60 AUD Sale price $10.50 AUD
Each
Quantity Required

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OD (D0)
14.68
mm

(Equiv. 0.578 in.)
Overall Length (L0)
792.2
mm

(Equiv. 31.189 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Extension Springs - 14.68x792.2x1.83 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 1.30 N/mm    Initial Tension (IT): 1.3 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1468-7922-18-M
Extension Springs - 14.68x792.2x1.83 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $10.50 AUD
Regular price $12.60 AUD Sale price $10.50 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Spring Rate
0.92
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 15.88x165.1x2.03 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-1651-20-M
Extension Springs - 15.88x165.1x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $16.05 AUD
Regular price $19.25 AUD Sale price $16.05 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
165.1
mm

(Equiv. 6.5 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Extension Springs - 15.88x165.1x2.03 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc    Spring Rate: 0.92 N/mm    Initial Tension (IT): 0.9 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-1651-20-M
Extension Springs - 15.88x165.1x2.03 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $16.05 AUD
Regular price $19.25 AUD Sale price $16.05 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Spring Rate
0.14
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 15.88x279.4x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2794-16-M
Extension Springs - 15.88x279.4x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $16.95 AUD
Regular price $33.83 AUD Sale price $16.95 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Extension Springs - 15.88x279.4x1.6 mm - Steel
Material: Steel    Spring Rate: 0.14 N/mm    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2794-16-M
Extension Springs - 15.88x279.4x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $16.95 AUD
Regular price $33.83 AUD Sale price $16.95 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Spring Rate
0.26
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 15.88x279.4x1.8 mm - Steel - None
Material: Steel - None   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-2794-18-M
Extension Springs - 15.88x279.4x1.8 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $25.77 AUD
Regular price $30.93 AUD Sale price $25.77 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Extension Springs - 15.88x279.4x1.8 mm - Steel - None
Material: Steel - None    Spring Rate: 0.26 N/mm    Initial Tension (IT): 0.3 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-2794-18-M
Extension Springs - 15.88x279.4x1.8 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $25.77 AUD
Regular price $30.93 AUD Sale price $25.77 AUD
Each
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Spring Rate
0.53
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 15.88x279.4x2.03 mm - Steel - None
Material: Steel - None   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-2794-20-M (200 Pcs)
Extension Springs - 15.88x279.4x2.03 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $5,285.95 AUD
Regular price $6,343.15 AUD Sale price $5,285.95 AUD
Per 200
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Extension Springs - 15.88x279.4x2.03 mm - Steel - None
Material: Steel - None    Spring Rate: 0.53 N/mm    Initial Tension (IT): 0.5 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-2794-20-M (200 Pcs)
Extension Springs - 15.88x279.4x2.03 mm Stainless Steel - Steel - None Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $5,285.95 AUD
Regular price $6,343.15 AUD Sale price $5,285.95 AUD
Per 200
Quantity Required

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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
Spring Rate
8.93
N/mm
Initial Tension (IT)
8.9
N
Extension Springs - 15.88x508x2.31 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-5080-23-S2
Extension Springs - 15.88x508x2.31 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $100.14 AUD
Regular price $120.16 AUD Sale price $100.14 AUD
Each
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OD (D0)
15.88
mm

(Equiv. 0.625 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
Extension Springs - 15.88x508x2.31 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 8.93 N/mm    Initial Tension (IT): 8.9 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1588-5080-23-S2
Extension Springs - 15.88x508x2.31 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $100.14 AUD
Regular price $120.16 AUD Sale price $100.14 AUD
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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
128.8
mm

(Equiv. 5.071 in.)
Wire Diameter (d)
2.20
mm

(Equiv. 0.087 in.)
Initial Tension (IT)
2.2
N
Extension Springs - 15.9x128.8x2.2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-1288-22-M
Extension Springs - 15.9x128.8x2.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $16.86 AUD
Regular price $33.48 AUD Sale price $16.86 AUD
Each
Quantity Required

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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
128.8
mm

(Equiv. 5.071 in.)
Wire Diameter (d)
2.20
mm

(Equiv. 0.087 in.)
Extension Springs - 15.9x128.8x2.2 mm - Steel
Material: Steel    Initial Tension (IT): 2.2 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-1288-22-M
Extension Springs - 15.9x128.8x2.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $16.86 AUD
Regular price $33.48 AUD Sale price $16.86 AUD
Each
Quantity Required

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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
156.1
mm

(Equiv. 6.146 in.)
Wire Diameter (d)
1.30
mm

(Equiv. 0.051 in.)
Initial Tension (IT)
0.1
N
Extension Springs - 15.9x156.1x1.3 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-1561-13-M
Extension Springs - 15.9x156.1x1.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.59 AUD
Regular price $22.36 AUD Sale price $11.59 AUD
Each
Quantity Required

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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
156.1
mm

(Equiv. 6.146 in.)
Wire Diameter (d)
1.30
mm

(Equiv. 0.051 in.)
Extension Springs - 15.9x156.1x1.3 mm - Steel
Material: Steel    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-1561-13-M
Extension Springs - 15.9x156.1x1.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.59 AUD
Regular price $22.36 AUD Sale price $11.59 AUD
Each
Quantity Required

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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
230.9
mm

(Equiv. 9.091 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Initial Tension (IT)
0.7
N
Extension Springs - 15.9x230.9x2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2309-20-M
Extension Springs - 15.9x230.9x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $19.05 AUD
Regular price $38.20 AUD Sale price $19.05 AUD
Each
Quantity Required

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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
230.9
mm

(Equiv. 9.091 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Extension Springs - 15.9x230.9x2 mm - Steel
Material: Steel    Initial Tension (IT): 0.7 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2309-20-M
Extension Springs - 15.9x230.9x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $19.05 AUD
Regular price $38.20 AUD Sale price $19.05 AUD
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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
282.5
mm

(Equiv. 11.122 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Initial Tension (IT)
0.1
N
Extension Springs - 15.9x282.5x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2825-16-M
Extension Springs - 15.9x282.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.41 AUD
Regular price $30.53 AUD Sale price $15.41 AUD
Each
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OD (D0)
15.90
mm

(Equiv. 0.626 in.)
Overall Length (L0)
282.5
mm

(Equiv. 11.122 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Extension Springs - 15.9x282.5x1.6 mm - Steel
Material: Steel    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1588-2825-16-M
Extension Springs - 15.9x282.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.41 AUD
Regular price $30.53 AUD Sale price $15.41 AUD
Each
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OD (D0)
16.27
mm

(Equiv. 0.641 in.)
Overall Length (L0)
196.9
mm

(Equiv. 7.752 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Spring Rate
0.68
N/mm
Initial Tension (IT)
0.7
N
Extension Springs - 16.27x196.9x2.03 mm - Steel - Steel
Material: Steel - Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1627-1969-20-M
Extension Springs - 16.27x196.9x2.03 mm Stainless Steel - Steel - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $15.95 AUD
Regular price $19.15 AUD Sale price $15.95 AUD
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Quantity Required

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OD (D0)
16.27
mm

(Equiv. 0.641 in.)
Overall Length (L0)
196.9
mm

(Equiv. 7.752 in.)
Wire Diameter (d)
2.03
mm

(Equiv. 0.08 in.)
Extension Springs - 16.27x196.9x2.03 mm - Steel - Steel
Material: Steel - Steel    Spring Rate: 0.68 N/mm    Initial Tension (IT): 0.7 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1627-1969-20-M
Extension Springs - 16.27x196.9x2.03 mm Stainless Steel - Steel - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $15.95 AUD
Regular price $19.15 AUD Sale price $15.95 AUD
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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
56.130
mm
Spring Rate
2.350
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 16.51x38.1x1.4 mm - Steel
Material: Steel    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0381-14-M
Extension Springs - 16.51x38.1x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.32 AUD
Regular price $15.73 AUD Sale price $8.32 AUD
Each
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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
56.130
mm
Extension Springs - 16.51x38.1x1.4 mm - Steel
Material: Steel    Spring Rate: 2.350 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0381-14-M
Extension Springs - 16.51x38.1x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.32 AUD
Regular price $15.73 AUD Sale price $8.32 AUD
Each
Quantity Required

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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
52.320
mm
Spring Rate
4.340
N/mm
Initial Tension (IT)
6.2
N
Extension Springs - 16.51x38.1x1.6 mm - Steel
Material: Steel    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0381-16-M
Extension Springs - 16.51x38.1x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.86 AUD
Regular price $16.74 AUD Sale price $8.86 AUD
Each
Quantity Required

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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
52.320
mm
Extension Springs - 16.51x38.1x1.6 mm - Steel
Material: Steel    Spring Rate: 4.340 N/mm    Initial Tension (IT): 6.2 N    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0381-16-M
Extension Springs - 16.51x38.1x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.86 AUD
Regular price $16.74 AUD Sale price $8.86 AUD
Each
Quantity Required

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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
71.370
mm
Spring Rate
2.310
N/mm
Initial Tension (IT)
6.2
N
Extension Springs - 16.51x44.5x1.6 mm - Steel
Material: Steel    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-16-M
Extension Springs - 16.51x44.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.32 AUD
Regular price $17.60 AUD Sale price $9.32 AUD
Each
Quantity Required

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OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
71.370
mm
Extension Springs - 16.51x44.5x1.6 mm - Steel
Material: Steel    Spring Rate: 2.310 N/mm    Initial Tension (IT): 6.2 N    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-16-M
Extension Springs - 16.51x44.5x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.32 AUD
Regular price $17.60 AUD Sale price $9.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
80.260
mm
Spring Rate
1.191
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 16.51x44.5x1.4 mm - Steel
Material: Steel    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-14-M
Extension Springs - 16.51x44.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.59 AUD
Regular price $16.16 AUD Sale price $8.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
80.260
mm
Extension Springs - 16.51x44.5x1.4 mm - Steel
Material: Steel    Spring Rate: 1.191 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-14-M
Extension Springs - 16.51x44.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.59 AUD
Regular price $16.16 AUD Sale price $8.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
66.550
mm
Spring Rate
3.630
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 16.51x44.5x1.8 mm - Steel
Material: Steel    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-18-M
Extension Springs - 16.51x44.5x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.95 AUD
Regular price $18.94 AUD Sale price $9.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
66.550
mm
Extension Springs - 16.51x44.5x1.8 mm - Steel
Material: Steel    Spring Rate: 3.630 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0445-18-M
Extension Springs - 16.51x44.5x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.95 AUD
Regular price $18.94 AUD Sale price $9.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
91.690
mm
Spring Rate
1.454
N/mm
Initial Tension (IT)
6.2
N
Extension Springs - 16.51x50.8x1.6 mm - Steel
Material: Steel    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-16-M
Extension Springs - 16.51x50.8x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.77 AUD
Regular price $18.50 AUD Sale price $9.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
91.690
mm
Extension Springs - 16.51x50.8x1.6 mm - Steel
Material: Steel    Spring Rate: 1.454 N/mm    Initial Tension (IT): 6.2 N    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-16-M
Extension Springs - 16.51x50.8x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.77 AUD
Regular price $18.50 AUD Sale price $9.77 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
106.680
mm
Spring Rate
0.718
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 16.51x50.8x1.4 mm - Steel
Material: Steel    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-14-M
Extension Springs - 16.51x50.8x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.86 AUD
Regular price $16.78 AUD Sale price $8.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
106.680
mm
Extension Springs - 16.51x50.8x1.4 mm - Steel
Material: Steel    Spring Rate: 0.718 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-14-M
Extension Springs - 16.51x50.8x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $8.86 AUD
Regular price $16.78 AUD Sale price $8.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
130.300
mm
Spring Rate
0.560
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 16.51x57.2x1.4 mm - Steel
Material: Steel    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-14-M
Extension Springs - 16.51x57.2x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.05 AUD
Regular price $17.17 AUD Sale price $9.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
130.300
mm
Extension Springs - 16.51x57.2x1.4 mm - Steel
Material: Steel    Spring Rate: 0.560 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-14-M
Extension Springs - 16.51x57.2x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.05 AUD
Regular price $17.17 AUD Sale price $9.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
82.800
mm
Spring Rate
2.490
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 16.51x50.8x1.8 mm - Steel
Material: Steel    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-18-M
Extension Springs - 16.51x50.8x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.32 AUD
Regular price $19.73 AUD Sale price $10.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
82.800
mm
Extension Springs - 16.51x50.8x1.8 mm - Steel
Material: Steel    Spring Rate: 2.490 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0508-18-M
Extension Springs - 16.51x50.8x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.32 AUD
Regular price $19.73 AUD Sale price $10.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
109.730
mm
Spring Rate
1.121
N/mm
Initial Tension (IT)
6.2
N
Extension Springs - 16.51x57.2x1.6 mm - Steel
Material: Steel    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-16-M
Extension Springs - 16.51x57.2x1.6 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Fri, Oct 24, 2025
Regular price $7.59 AUD
Regular price $18.97 AUD Sale price $7.59 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
109.730
mm
Extension Springs - 16.51x57.2x1.6 mm - Steel
Material: Steel    Spring Rate: 1.121 N/mm    Initial Tension (IT): 6.2 N    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-16-M
Extension Springs - 16.51x57.2x1.6 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Fri, Oct 24, 2025
Regular price $7.59 AUD
Regular price $18.97 AUD Sale price $7.59 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
99.060
mm
Spring Rate
1.909
N/mm
Initial Tension (IT)
8.4
N
Extension Springs - 16.51x57.2x1.8 mm - Steel
Material: Steel    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-18-M
Extension Springs - 16.51x57.2x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.68 AUD
Regular price $20.45 AUD Sale price $10.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Max. Extension (L1)
99.060
mm
Extension Springs - 16.51x57.2x1.8 mm - Steel
Material: Steel    Spring Rate: 1.909 N/mm    Initial Tension (IT): 8.4 N    Load at L1: 88.070 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-18-M
Extension Springs - 16.51x57.2x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $10.68 AUD
Regular price $20.45 AUD Sale price $10.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
151.890
mm
Spring Rate
0.455
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 16.51x63.5x1.4 mm - Steel
Material: Steel    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0635-14-M
Extension Springs - 16.51x63.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.41 AUD
Regular price $17.78 AUD Sale price $9.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
151.890
mm
Extension Springs - 16.51x63.5x1.4 mm - Steel
Material: Steel    Spring Rate: 0.455 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 44.930 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0635-14-M
Extension Springs - 16.51x63.5x1.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $9.41 AUD
Regular price $17.78 AUD Sale price $9.41 AUD
Each
Quantity Required

Backorder: Out of Stock.